Before we dive into the details of the role and what you can bring to it, let us briefly introduce ourselves.

About us

Insider One is the leading platform that brings everything marketing and customer engagement teams need together in a single place, helping them unlock their full potential and become unstoppable.

Our journey started with six desks and a vision to create a unified platform that would make groundbreaking technologies and new communication channels accessible to marketers around the world. Today, Insider One is powered by more than 1,500 team members of over 50 nationalities across 30+ offices. With AI at its core and a fully integrated Customer Data Platform (CDP), Insider One brings together data, personalization, and journey orchestration across the widest range of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search.

We recently secured one of the industry’s largest funding rounds, a $500M Series E led by General Atlantic. Our investors include Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst, and more than 2,000 customers trust us — from high-growth startups to iconic Fortune 500 brands such as Samsung, Nike, L’Oréal, Singapore Airlines, Nestlé, Nissan, Lenovo, Puma, IKEA, Allianz, Domino’s, and many others.

Insider One has been recognized as one of the few woman-founded, women-led B2B SaaS unicorns in the world. Loved by customers and celebrated by analysts, we are the only vendor recognized as the #1 leader across all the capabilities needed by marketing and customer engagement teams. Don’t just take our word for it — the results speak for themselves.

From the beginning, our mission has been not only to build a world-class product company but also to create one of the most socially progressive tech communities globally. Through initiatives like 100 Social Responsibility Projects, AI Training for Teachers, Code Academy, SheCodes, SheLeads, and SheMarkables, we are committed to expanding our impact across 30+ countries, driving programs in healthcare, education, agriculture, animal welfare, and increasing women’s representation in STEM.

Behind all these accomplishments is an exceptionally talented and visionary team of high achievers who move quickly and adapt easily, build cutting-edge products, and focus on making a meaningful impact. If you want to be part of this journey, keep reading.

We are now searching for a Front-end Developer to help our Web Development Team build and deliver a wide range of web-based products using Go, Node.js, or PHP — and take their career to the next level. If this sounds like you, you’ll have the opportunity to work with leading global brands using Artificial Intelligence and Machine Learning technologies. Right now, as you read this, we are sending an average of 2.2 billion requests and nearly 2 billion instant notifications to more than 450 servers every day. On the AI and predictive side, we process over 100 TB of historical data. We don’t wait for opportunities — we create them. We have already reached 25% of global users. If this excites you, there’s more below.

Our Engineers and Software Developers always think innovatively, leveraging the boundless potential of the digital world. They create powerful and intelligent products like true artists. Our Product and Development teams work from our Istanbul office, building and shaping the technology we export worldwide right here in our own country. At Insider One, we believe in collaboration, rapid adaptation, and adopting new technologies quickly. We work closely with other departments in agile teams and aren’t afraid to dive into challenges. As we said, we don’t wait for opportunities — we create them. You can explore our Tech Stacks here.

Join our dynamic team focused on delivering innovative software solutions. We work with a modern stack that includes Native JavaScript, jQuery, Vue.js, TypeScript, and Node.js to build scalable, user-friendly products. We’re looking for passionate, ambitious developers who thrive in collaboration and want to contribute to cutting-edge web projects.

What You Will Do

• Be involved in the full project life cycle, from development and release to maintenance
• Research, evaluate, and share emerging technologies
• Build and maintain high-quality, scalable JavaScript/TypeScript applications
• Collaborate with cross-functional teams to design and implement web-based solutions
• Work closely with Back-End Developers to integrate APIs
• Ensure product quality by managing error channels
• Write and maintain unit tests to ensure code quality
• Maintain high standards of code quality and knowledge-sharing through daily code reviews

What You Will Need

• 3+ years of experience as a Front-end Developer using modern DevOps tools (NPM, Vite, WebPack, Gulp, Browserify, Babel, etc.) and micro front-end architecture
• Experience leading projects and building cloud-based solutions
• Strong skills in Vue.js, TypeScript, and Node.js
• Experience working within an Agile team
• Experience with cloud platforms, preferably AWS
• Solid understanding of unit, functional, and end-to-end testing
• Strong understanding of design patterns
• Familiarity with Microservices, RESTful APIs, JSON, and AJAX
• A competitive mindset with a passion for problem-solving and innovation
• Experience with Sass or similar CSS preprocessors and responsive design
• Experience developing and testing across various browsers, platforms, and devices
• Ability to work effectively in a team-oriented environment
• Strong knowledge of version control systems like Git
• Experience maintaining, scaling, and monitoring systems (Datadog, Sentry, etc.)
• Self-motivated, organized, proactive, flexible, and able to work across multiple teams
• A visionary mindset

Nice to Have

• Basic familiarity with Laravel
• Knowledge of CI/CD pipelines and automation tools

What We Offer

• Monthly meal allowance
• Comprehensive private health insurance
• Access to Spotify, LinkedIn Learning, Blinkist, MasterClass, Neoskola, and CloudGuru
• Internal training in AI, coding, languages, and personal development
• A diverse, global team with 50+ nationalities
• Eligibility-based ESOP to become a Shareowner
• Referral bonuses
• Opportunities for community impact through volunteer and social initiatives
• Global retreats and team-building events
• Inspiring Tech & Dev Talks with leading minds
• Fully remote work from anywhere in Turkey

We’re not just hiring for a role — we’re hiring for a mission. A mission to build a lasting legacy that sets a new standard for progressive tech companies.

To achieve this, we seek exceptional talent to join a community of kind, driven individuals who take ownership and go the extra mile.

If this sounds like you and aligns with your aspirations, we can’t wait to meet you.

We are an equal-opportunity, zero-discrimination workplace that welcomes and embraces everyone, regardless of sex, race, color, nationality, religion, gender identity, sexual orientation, disability, citizenship, or marital status.

Follow Insider One on LinkedIn, Instagram, X, Facebook, and Medium.